Rebound device



May 27, 1930. w. AQKEBMAN AL I mlllllfv l REBOUND mgzvma Filed Oct. 19.1927 said as a ni'ovable partition betviieen I i,the'cylinder,ehamberan'd the'vesse'l eharnber,

port, -'ain'd a" spring resisting shifting of-the valve-awayfrom-theport, 2:1 1 p '1 "1' "i 2. ;A rebound take-up device oomprisingaa vessel having a cylinder therein, a piston said Cylinder as'a'imovablepartition between there being port communieation'betvveen said ohambersincluding aqsteni extending ga way j V ffrom said port, a; ring shapedvalve shiftable alon 'said'st'emas uide in'. rovidin 'uan Vannular'elearanfce'about the valve toward the the cylinder chamberandthe jves seljg ch amber, 1

' I there being'port cofnlnunication betvyeen said;

chambers ineluding'a stern extending away fromsaid port, aring shapedvalveshi'ft able @ziiiially ofand along said steiniasa guide inprovidingan 'annular fclearance about the "valvetoward the port,an'd anadjustable heliresisting'sh'ifting o f'the valve away frjom the port;

cal spring coaxial ofithe portand' Valve and i rebound talre-up a 1"vessel having a cylinder thereimza pistonin said cylinder has a movablepartition'between I the cylinder Chamber and the vessel chamber,

said piston havinga head, a skirt therefrom, and aytubular' extension"from the head into,

, M the s'kirt','a "ring shaped valve the exten -f .30

" l positioning the valve aboutfthe projection,

sion', a projection into the valve, and a, spring 5 I there beinganopening tothe' valve from the through "the piston head, wherebyvalveshifting as to the projeetion andagainst said N about the .projection,f-tthere7'g being 1'31! open-' the vessel .eharn tsisting'ishifting of the valve away froinlthe vessel having a cylindertherein, a istonini c said cylinder as amovablepartitionbetween Q '1thefc linder chamber and the vesselfehamr-f ber,terebeing'portcommunicationthroughflf the cylinder between saidchambersincluding 1 N aring-shapedvalveshiftable axiallyofan'di 1 away'fromthepoi-tin providing an annular I clearance? about thevalvef-tovvard thrpprhia v helical spring coaxially of the sport-valve re g p0rt,and,aheaded stem coacting asaguid-ia for thevalve and aboutwhichstemthespring is mounted,s'aid stem extending to the vessel 7 for varyingthef v.1 some 3;: p

ei rterior and there 'a'd ustabIe operation ofsaid valve.

r "7. Aarebound take-updevice comprising a vessel" having acylinderthereina piston in 1 said cylinder as a'movable partitionbetween the cylinder chamber-and the vessel chamber, I

, s as r thecyli nder betwe'ensaid chambers including f 1 s ,{Q -a ringshaped valve shiftablya'xiallyof and,

there being port communication through away from" theport in providingan annular cleara-nceabout thef valve toward the port, a b M helicalspring; coaxially ofthe port valve resistinglshifting: of the valve}away from the p'0rt,aheaded stemscoacting as 'a' guide for;

the ring and about which stem the spring is mounted, said stem extendingto the vessel exterior, said vessel having an opening prdh v dlng aseatinto whlch'sald stem is counter-' sunk, packin'g'i'nj said seat oversaidvstermand; V e a flush closure-for the packing independently I i ofwhich the 'spring is adjustable; V lnwitness whereofwe affixoursignatures.

ing' to :theivalve from the eylinder and; 1 '7 spring resistance permits'flowffrom the; cylinder; chamber to theI'ivess'eleharnber through thepiston.v

' 5; A reboun' 'porthavinglringgshapedvalveshiftableaxial- 1y, ofandraway 'fromthepert ins-providing,

an annular'cleararice about the valve toward j a W a .7

the port, an adj ustable. helical "spring 'coaxiale Y 1y oftheport"valve;resis ting shiftinglofthff valveawayfromithe-portg'andia.bearifigfor 7 the valve supporting hevalve in valve7 to port openin position;-

V, v 6,;Arebound ta e;updeviceeomprisinga j V d eke-1paeahaingina i' haev -1 a ,ERNEST'WQ ACKERMAN. a 5 a; o GRIFFITH CJNICHOLSONg devicecomprising a v

